[    1.804513] ip (255) used greatest stack depth: 12712 bytes left
[    1.858707] ip (260) used greatest stack depth: 12168 bytes left
[   56.127651] netem: version 1.3
[  592.011141] tc (23660) used greatest stack depth: 11880 bytes left
[  654.859599] pm_nl_ctl (27794) used greatest stack depth: 11864 bytes left